Home / 2,508.06-3,461.16-1,389.11

Finding the Fourth Proportional to 2,508.06, 3,461.16 and 1,389.11

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Solution

The fourth proportional to 2,508.06, 3,461.16 and 1,389.11 is: 1,916.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,508.06 : 3,461.16 = 1,389.11 : x
  2. Step 2: Convert to fraction form
    2,508.06/3,461.16 = 1,389.11/x
  3. Step 3: Cross multiply
    2,508.06x = 3,461.16 × 1,389.11
  4. Step 4: Simplify right side
    2,508.06x = 4,807,907.72
  5. Step 5: Solve for x
    x = 4,807,907.72/2,508.06
  6. Step 6: Final answer
    x = 1,916.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.